[  486.771477] netdevsim netdevsim408 eni408np1: renamed from eth0
[  486.867857] netdevsim netdevsim582 eni582np1: renamed from eth1
[  487.064263] Could not find device with ifindex 2000 in netnsfd 11
[  487.064561] Could not find netns with fd: 2000
[  487.064637] Cannot link a netdevsim to itself
[  487.064729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).